One of the fast track careers in the medical field is employed as an EKG technician, this career choice is on the rise, and demand is expected to grow much faster than the average. EKG Technicians work in hospitals and cardiac care facilities. This comprehensive 50-hour course will prepare students to take the NHA EKG Certification exam.George's Hospital, London, before training in General Medicine at The Brompton, Hammersmith and St Mary's Hospitals. Dr Gerald Carr-White is a Consultant Cardiologist at Guy's and St.